81924-38-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81924-38-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,2 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81924-38:
(7*8)+(6*1)+(5*9)+(4*2)+(3*4)+(2*3)+(1*8)=141
141 % 10 = 1
So 81924-38-1 is a valid CAS Registry Number.
81924-38-1Relevant articles and documents
DIE KONSTITUTION DER FUNGISTATISCHEN ANSAMYCIN-ANTIBIOTICA ANSATRIENIN A UND B
Damberg, Manfred,Russ, Peter,Zeeck, Axel
, p. 59 - 62 (2007/10/02)
The structure of ansatrienin A (1) and B (6) is assigned by spin decoupling experiments and chemical reactions.The anstatrienins are unique members among the ansamycin-antibiotics because of their substituent pattern in the ansa bridge.